Ext.NET:如何在加载程序中呈现局部视图

当网格中的一行展开时,我正在尝试加载局部视图。我的听众是这样的:

x.RowExpander()
    .Listeners(ls =>
    {
        ls.Expand.Handler = string.Format("Item.onListRowExpand('{0}', {1}, this);",
            Url.Action("ItemDetail", "My"), Model);
    })

onListRowExpand: function(url, listId, expander) {
    var container = App.DashboardPanel;
    var itemId = expander.componentsCache[0].cmp.record.data.Id;
    var panelId = "Details_" + listId + "_" + itemId;

    // Check if the selected panel was selected again. If it was do nothing
    var panel = container.getComponent(panelId);
    if (!panel) {

        // Remove the opened panel so we can add a new one
        if (container.items.getCount() > 1) {
            container.remove(container.items.getAt(1).id);
        }

        // Add the new panel...
        container.add({
            id: panelId,
            closeable: true,
            loader: {
                xtype: "panel",
                url: url,
                renderer: "frame",
                params: {
                    "listId": listId,
                    "itemId": itemId                   }
            }
        });

        container.update();
    }
}

然后,此方法调用控制器:

public Ext.Net.MVC.PartialViewResult ItemDetail(int listId, int itemId)
{
    var result = new Ext.Net.MVC.PartialViewResult
    {
        RenderMode = RenderMode.AddTo,
        ContainerId = "MyPanel",
        WrapByScriptTag = false,
        Model = new ItemViewModel
        {
            ListId = listId,
            ItemId = itemId
        }
    };

    return result;
}

它应该返回要添加到容器的 Items

@(x.Container()
    .ID("MyPanel")
    .Layout(LayoutType.HBox)
    .Loader(x.ComponentLoader()
        .Url(Url.Action("ViewList", "My"))
        .Mode(LoadMode.Script)
        .Params(new { listId = Model.ListId })))

视图如下所示:

@model ItemViewModel
@{
    var x = Html.X();
}

@(x.Panel()
   .LayoutConfig(new HBoxLayoutConfig {Align = HBoxAlign.StretchMax})
    .Flex(1)
    .Items(
        x.Button().Text("Temp").Flex(1)))

WrapByScriptTag 为true—在这种情况下,我会得到一个错误,声明“uncaughtreferenceerror:Ext is not defined”),或者如果设置 WrapByScript标签 错误的。我知道我错过了一个地方的设置,但我不知道是什么错。任何帮助都将不胜感激。